SEOUL, May 15 : A looming 18-day strike at South Korean chip giant Samsung that has triggered worries within the government, rattled foreign investors and threatened global supply chains rests on one crucial question: who should share in the spoils of the AI boom? More than 45,000 workers are threatening to stage the largest strike in the conglomerate's history from May 21, reducing production of memory chips that are crucial components in AI data centres, smartphones and laptops, as Samsung